Spearmint Energy secures over $250 million for BESS projects in Texas

Spearmint Energy has secured over $250 million in financing for two 100 MW/200 MWh battery energy storage systems (BESS). These are the Tierra Seca and Seven Flags projects situated in Del Rio and Laredo within Texas’s ERCOT power market. The two projects are currently under construction, which is being carried out by M.A. Mortenson Company. 

Furthermore, this financing includes $59 million in construction-to-term loan facilities provided by Manulife and $95 million in tax equity bridge loan facilities provided by East West Bank. It also includes $98 million in tax equity commitments from Sugar Creek Capital. The projects will utilise the PowerTitan 2.0 energy storage platform provided by Sungrow. The projects will add over 200 MW/400 MWh of storage capacity to the ERCOT grid upon commencement of operations. 

Spearmint Energy is a US based company focused on developing, owning, operating, and optimising BESS projects. It currently operates a 150 MW/300 MWh BESS project in West Texas and has over 20 projects, with a combined capacity of more than 13 GWh, under development in 5 US regions.